I need to provide mechanical ventilation continuously in my perimeter insulated crawlspace. I only need 1cfm for every 50 sq ft. or under floor area or between 20 and 50 cfm. There has to be a small fan out there someplace that is designed to run for 5 yrs. is quiet and mounts simply under the subfloor. So far I have not been able to find one. Any suggestions? Small bathroom exhaust fans have been suggested but they will not last long enough.
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Put a somewhat larger volume fan on an interval timer.
"Small bathroom exhaust fans have been suggested but they will not last long enough."
You have to pay more than $19.95
I suspect that fantech has several different fans, including bath fan that would work.
But as soon as I saw the Radon section I figured that would idea.
http://www.fantech.net/radon.htm
"Average life expectancy of 7-10 years under continuous load conditions"
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A-holes. Hey every group has to have one. And I have been elected to be the one. I should make that my tagline.
you can check out efi.org energy federation inc sells that stuff
Why?
What is the point of insulating & then venting?
Joe H